package com.qk.service.impl;

import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import com.qk.common.PageResult;
import com.qk.common.Result;
import com.qk.dto.UserDto;
import com.qk.entity.User;
import com.qk.exception.BusinessException;
import com.qk.mapper.UserMapper;
import com.qk.service.UserService;
import com.qk.utils.JwtUtils;
import com.qk.vo.LoginResultVo;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.util.DigestUtils;

import java.time.LocalDateTime;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

@Service
@Slf4j
public class UserServiceImpl implements UserService {
    @Autowired
    private UserMapper userMapper;

    @Override
    public PageResult<User> list(UserDto userDto) {
        PageHelper.startPage(userDto.getPage(), userDto.getPageSize());
        List<User> userList = userMapper.selectList(userDto);
        Page<User> page = (Page<User>) userList;
        return new PageResult<>(page.getTotal(),page.getResult());
    }

    @Override
    public void deleteByIds(List<Integer> ids) {
        userMapper.deleteByIds(ids);
    }

    @Override
    public Result addUser(User user) {
        user.setCreateTime(LocalDateTime.now());
        user.setUpdateTime(LocalDateTime.now());
        String password = user.getUsername() + "123";
        user.setPassword(DigestUtils.md5DigestAsHex(password.getBytes()));
        userMapper.insert(user);
        return Result.success();
    }

    @Override
    public User getById(Integer id) {
          return userMapper.getById(id);
    }
    @Override
    public void update(User user) {
        user.setUpdateTime(LocalDateTime.now());
        String password = user.getUsername() + "123";
        user.setPassword(DigestUtils.md5DigestAsHex(password.getBytes()));
        userMapper.update(user);
    }
    //根据角色标签查询用户列表
    @Override
    public List<User> roleLabelList(String roleLabel) {
        return userMapper.roleLabelList(roleLabel);
    }

    @Override
    public List<User> allList() {
        return userMapper.allList();
    }

    @Override
    public List<User> getByDeptId(Integer deptId) {
        return userMapper.getByDeptId(deptId);
    }

    @Override
    public LoginResultVo login(User user) {
        User u = userMapper.selectByUsername(user.getUsername());
        if(u == null){
            log.info("用户不存在");
            throw new BusinessException("用户或密码错误！");
        }
        String _pass = DigestUtils.md5DigestAsHex(user.getPassword().getBytes());
        if(!_pass.equals(u.getPassword())){
            log.info("密码错误");
            throw new BusinessException("用户或密码错误！");
        }
        if(u.getStatus() != 1){
            log.info("用户已停用");
            throw new BusinessException("对不起，您的用户已停用⭐");
        }

        LoginResultVo loginResultVo = new LoginResultVo();
        loginResultVo.setId(u.getId());
        loginResultVo.setUsername(u.getUsername());
        loginResultVo.setName(u.getName());
        loginResultVo.setImage(u.getImage());
        loginResultVo.setRoleLabel(u.getRoleLabel());

        //调用工具类，生成jwt令牌
        Map<String, Object> claims = new HashMap<>();
        claims.put("id", u.getId());
        claims.put("username", u.getUsername());
        String jwt = JwtUtils.generateToken(claims);
        loginResultVo.setToken(jwt);

        return loginResultVo;





    }
}
